Consider the following: To express the above with a positive index i.e. to make the the exponent -5/6 positive, we need to do the reciprocal which will be which comes to But the correct answer is Why? Thanks, Ron
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7 / x^(-5/6) = [7 / x^(-5/6)] * [x^(5/6) / x^(5/6)] : multiplication by 1 = [7 x^(5/6)] / [x^(-5/6) x^(5/6)] = [7 x^(5/6)] / x^0 = 7 x^(5/6)
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